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How apply changes to Tomcat's server.xml file in Liferay PaaS
legacy How To
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue I need to make some changes in Tomcat's server.xml...
The jgroupsping entries not getting deleted from table in Kubernetes environment
legacy Troubleshooting
Issue In case of using Kubernetes, you might encounter a problem in your cluster using JDBC_PING, as the entries from the jgroupsping table related to the shutdown pods are not getting deleted. Environment DXP 7.3+...
Upgrading from Fix Pack 1 to Fix Pack 2 in Liferay DXP 7.3, a NoSuchGroupException occurs
legacy Troubleshooting
Issue When upgrading from Fix Pack 1 to Fix Pack 2, issues with the control panel options arise, such as being unable to use the page building option and having no portlets visible on the home page. The console...
com.microsoft.sqlserver.jdbc.SQLServerException: The driver could not establish a secure connection to SQL Server by using Secure Sockets Layer (SSL) encryption
legacy Troubleshooting
Issue The server is down with the below exception. What does this error mean? ERROR [https-jsse-nio-8443-exec-144] [JDBCExceptionReporter: 234] The driver could not establish a secure connection to SQL Server by...
Application performance comparison between Unicast and Multicast configurations
legacy
Issue As per the business-specific requirement, modified the configurations by changing from default multicast with unicast clustering. While doing so, how the application performance will be impacted between Unicast...
Create custom notification module
legacy Troubleshooting
Issue Unable to get notification over UI even after adding entry in usernotificationevent table through UserNotificationEvent API. Environment Liferay DXP 7.2 Resolution Even after adding entry in...
Using JSONFactoryUtil.looseDeserialize method deserilizes to HashMap instead of my class.
legacy Troubleshooting
Issue We have a WAR portlet that uses JSONFactoryUtil.looseDeserialize method. Also, our class is defined as whitelisted. See following: json.deserialization.whitelist.class.names=\...
Getting com.mysql.cj.jdbc.exceptions.CommunicationsException on server startup
legacy Troubleshooting
Issue User gets below error on server startup/restart: ERROR [main][DialectDetector:147] com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure__The last packet sent successfully to the...
NullPointerException in service builder methods after upgrade to DXP 7.3
legacy Troubleshooting
Issue After upgrading the portal to DXP 7.3, the following stack trace in some custom modules is reported: Caused by: java.lang.NullPointerException at...
"Your request failed to complete" error is displayed on the user interface but there is no more information about it
legacy Troubleshooting
Issue If there is an unexpected error, sometimes a "Your request failed to complete" error is displayed on the user interface, but no additional information is given. How can I get more information on this error?...
How can I manually force the generation of document thumbnails?
legacy How To
Issue It is necessary to regenerate all thumbnails of the documents in documents and media. After executing "Reset preview and thumbnail file for Documents and Media" in the server administration section, the thumbnails...
Multiple Spring MVC Portlets names are not displayed in Add Widget menu when added in the same WAR file
legacy Troubleshooting
Issue When creating custom widgets, if multiple widgets are deployed within the same war file, the individual names of the widgets are not seen in the Add Widget menu within Liferay Instead, each widget shares the same...
Known Issue [Resolved]: Staging publications in the Global site fail due to duplicate categories after upgrade to 7.3 or 7.4
legacy Troubleshooting
Issue After upgrading our 7.0 bundle (where we had some categories in the Global site used for various assets) to 7.3, the vocabularies look to be duplicated in the post-upgrade environment (one list that cannot be...
Known Issue: "PermissionChecker not initialized" errors are observed and no pages are rendered following upgrade to 7.3
legacy Troubleshooting
Issue After upgrading from 7.0 to 7.3, when we start up our bundle for the first time the site does not render any pages (other than to show "powered by" on the home page) and the following error can be observed in...
How to connect to API Rest using Digest Auth in 7.1
legacy Troubleshooting
Issue It's not possible to accces to an endpoint in 7.1 when using Digest Auth using the same configuration as used in higher versions (for our example we'll use 7.3). For the reproduction steps we'll use: the same...
After upgrading from 7.2 to 7.3, Style Books throws IllegalArgumentException
legacy Troubleshooting
Issue After upgrading from 7.2 to 7.3, Style Books is inaccessible Steps to Reproduce: Launch a clean 7.2 DXP bundle Shut down the bundle once the portal appears in the browser Upgrade to 7.3 and launch the...
SQLRecoverableException
legacy Troubleshooting
Issue The server is down with the below exception java.sql.SQLRecoverableException. What will be the possible root cause which triggers this exception? 2021-10-12 10:25:54,807 SEVERE [Common.CommonUtils] (default...
7.2 to 7.3 upgrade fails with "Failed upgrade process for module com.liferay.asset.display.page.service"
legacy Troubleshooting
Issue The upgrade fails with an error message that includes the following line: ERROR [main][UpgradeStepRegistratorTracker:144] Failed upgrade process for module com.liferay.asset.display.page.service Environment DXP...
Restricting redirection to whitelisted URLs
legacy How To
Issue I want to specify the URLs my users get redirected from our site.  Environment DXP 7.0+ Resolution You have more information about this settings in this article: Errors in the log file of the type "Redirect URL...
Bulk deployment state loop
legacy Troubleshooting
Issue When trying to deploy the modules in bulk, the modules got stuck in a start-stop loop. Environment Liferay DXP 7.2, 7.3 Resolution It's an already known issue LPS-139889 and will be fixed in the...
How to resolve a Jenkins "Failed to rotate logs" error when executing the Project Build Discarder
legacy Troubleshooting
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue In our -infra service's CI logging, we are seeing frequent...
Unresolved requirements using a class from util-java in custom development
legacy Troubleshooting
Issue Trying to use a class from /util-java, such as com.liferay.util.Normalizer, in a custom development by adding to build.gradle the dependency compileOnly group: "com.liferay.portal", name:...
How do we set the number of Recent Sites that show up in the Control Panel's Sites column?
legacy How To
Issue We would like to control how many Recent Sites are listed on the Control Panel's Sites column. Environment Liferay DXP 7.3 Resolution The following property can be declared within the portal-ext.properties...
How can I resolve "Unable to get portal cache manager MULTI_VM_PORTAL_CACHE_MANAGER" errors?
legacy Troubleshooting
Issue I am seeing the following error in my clustered environment: com.liferay.portal.kernel.messaging.MessageListenerException: java.lang.IllegalStateException: Unable to get portal cache manager...
Are directories "document_preview" and "document_thumbnail" strictly necessary to upgrade to DXP?
legacy Troubleshooting
Issue During the upgrade, there are usually many thumbnails and previews, which could significantly increase the duration of the upgrade. Environment Liferay DXP 7.0, 7.1, 7.2, 7.3 Resolution It's not necessary to...
Fetch forms through API in Liferay DXP 7.1 and above
legacy Troubleshooting
Issue I would like to fetch forms with the DDLRecordSetLocalServiceUtil.getRecordSets(groupId) API call, but it only returns DDL records and not any forms.  Environment DXP 7.1 - DXP 7.3 Resolution Since DXP...
Session timeout problems in Azure related environments
legacy Troubleshooting
Issue OIDC and SAML2 connections with Azure-related services can experience session timeout related problems where the session expires before its intended lifetime. Environment Liferay DXP 7.2 Liferay DXP...
How do I disable the Trial license within a Liferay DXP image?
legacy Troubleshooting
Issue My Liferay Docker Image is giving a warning message that the Activation Key needs to be updated: ERROR [fileinstall-directory-watcher][LicenseManager:?] DXP Development license is expired We have noticed...
Liferay 6.2 upgrade stops at UpgradeDynamicDataMapping#upgradeXMLStorageAdapter step
legacy Troubleshooting
Issue The Liferay upgrade process hangs at one specific part for a longer period of time (several hours)  com.liferay.dynamic.data.mapping.internal.upgrade.v1_0_0.UpgradeDynamicDataMapping#upgradeXMLStorageAdapter...
How to enable Hibernate query parameters logging
legacy How To
Issue Sometimes it can be useful to check which query is executed against the database as well as its parameters. Resolution To show the information in the logs the following has to be done: From Control Panel...
java.lang.IllegalStateException: UT010006: Cannot call getWriter(), getOutputStream() already called
legacy
Issue When this error "java.lang.IllegalStateException: UT010006: Cannot call getWriter(), getOutputStream() already called" occurs? 2021-10-04 09:09:58.095 ERROR [default task-34][IncludeTag:128] Current URL /...
Deploying Liferay DXP 7.3 on JBoss EAP 7.3.0
legacy How To
Issue Detailed steps to Install Liferay DXP on JBoss EAP Environment Liferay DXP 7.3 JBoss EAP 7.3.0 JDK 1.8 Resolution 1. Liferay Home is the folder that consists JBoss server folder. After installing and deploying...
Bidirectional Synchronization with Google Calendar
legacy
Issue How to configure the Calendar widget to get Bidirectional Synchronization with Google Calendar? Environment Liferay DXP 7.0+ Resolution Bidirectional Synchronization with Google Calendar is not supported in...
SSL protocol errors are observed in the browser while attempting to access Liferay at http://localhost:8080
legacy Troubleshooting
Issue This document will discuss some cases where SSL protocol errors are observed in the browser after opening the default address to the Liferay DXP instance (i.e., http://localhost:8080). This is especially true when...
Ext module is not deployed with the cloud deployment process
legacy Troubleshooting
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue The modules_ext style projects in workspace will...
Layout module upgrade fails with NoSuchGroupException when moving up to dxp-14 fix pack
legacy Troubleshooting
Issue After installing dxp-14 fix pack, start up fails due to the layout module upgrade failure. ERROR [main][UpgradeStepRegistratorTracker:184] Failed upgrade process for module com.liferay.layout.impl...
Empty string is considered as null in the parameter map
legacy Troubleshooting
Issue Is there any specific reason why the empty String in the parameter map is considered Null? Steps to Reproduce: Deploy the com.mycompany.my.icefaces.portlet. The portlet has a example <ace:datatable> with...
Special Characters are Escaped in Salesforce Chat
legacy Troubleshooting
Issue Special characters are escaped when using the Salesforce Snap-In Chat in Liferay. Environment Liferay DXP Resolution Since Salesforce Snap-In Chat is a third-party add on, and no core Liferay issue has been...
Accessing a Service Builder module from a Spring MVC portlet in Liferay DXP
legacy Troubleshooting
Issue When a Spring MVC portlet is trying to call a Service Builder service, there are java.lang.ClassCastExceptions in the logs. For example: ERROR [http-nio-8080-exec-5][DispatcherPortlet:428] Could not...
Known Issue: Adjusting Calendar Notification Template fields to be greater than 75 characters results in “Portlet is temporarily unavailable" and JDBCExceptionReporter errors
legacy Troubleshooting
Issue When attempting to edit the fields for a calendar email notification template (such as the "From Name" and "From Address" in the "Invite Email" template), if the combined values of the two fields are too long...
Adding custom preferences to Spring MVC Portlet
legacy How To
Issue We've create a new Spring MVC Portlet and we'd like to configure it with some custom portlet preference. How can we do it? Environment Liferay DXP Resolution Once you've created your Spring MVC Portlet you...
A servlet matching the filter (servlet.init.private=false)(servlet.type=friendly-url) is unavailable
legacy Troubleshooting
Issue The following WARN message is obtained during the portal startup: 2020-02-07 09:02:43.401 WARN  [http-nio-9090-exec-7][PortalImpl:6752] javax.servlet.ServletException: A servlet matching the filter...
Schedulers are not initialized as intended in a clustered environment
legacy Troubleshooting
Issue In a clustered environment if we restart the nodes at the same time for a deployment, schedulers and information can be lost.  Environment Liferay DXP 7.3 Resolution The issue described above is...
When adding long values to a JSON object using the Liferay API a String with double quotes is being returned
legacy
Issue When generating a new JSON object using the Liferay API (JSONObjectImpl.java) and a new long value is added to it the returned value is a String with double quotes. In this case the user is calling...
NoClassDefFoundError when starting the nodes simultaneously
legacy Troubleshooting
Issue The following error is thrown when the nodes of the cluster are started simultaneously:...
Requires 3.0 opt-in when customizing Control Panel
legacy Troubleshooting
Issue When deploying a module that customizes Control Panel, the changes don't take effect and I get: java.lang.UnsupportedOperationException: Requires 3.0 opt-in. Environment Liferay DXP 7.2 Resolution The...
Error during Liferay startup after updating a config or cfg configuration file in the osgi/configs folder
legacy Troubleshooting
Issue After editing a config or configuration file in the osgi/configs folder, there are unexpected errors during the startup process, that can prevent Liferay from starting correctly The errors detected in 7.2 Fixpack...
How to fix "Store is not available" exception when using Amazon S3 for Liferay DXP 7.2 Fix Pack 13?
legacy Troubleshooting
Issue When setting up or upgrading to Liferay DXP 7.2 Fix Pack 13, files in Documents and Media are not available and/or new files cannot be added and the below error occurs in the log: WARN...
How to disable simultaneous login from multiple sessions
legacy How To
Issue How to disable users to simultaneously login to Liferay DXP using multiple different sessions. Environment Liferay DXP 7.0 Liferay DXP 7.1 Liferay DXP 7.2 Liferay DXP 7.3  Resolution Please add the following...
How to execute verify.frequency in Liferay DXP 7.3
legacy How To
Issue The property verify.frequency was deprecated in Liferay DXP 7.3. Environment Liferay DXP 7.3. Resolution To check for available verify processes, go to Control Panel > System > Gogo shell and enter the...
Internal Server Error thrown due to orphan portlet
legacy Troubleshooting
Issue Steps to Reproduce 1) Create a theme with an embedded DM portlet (portletId = 20) in Liferay 6.2. 2) Deploy this theme. 3) Visit the page configured with that theme and check that the embedded DM portlet is...
Web Content Search shows all versions
legacy Troubleshooting
Issue Steps to reproduce: Create a web content Edit it a few times Search for it in the Web content search field Current behaviour: Every version of the web content is shown in the results Expected behaviour: Only the...
Performance issue: Liferay service getting restarted frequently
legacy Troubleshooting
Issue Liferay service gets restarted frequently [every day or so], and status logs show readiness and liveness probes failing and causing the service to restart. Environment liferay-dxp:7.2-4.0.3 Resolution There...
Response Status Code Inconsistency for Deactivated Site
legacy
Issue My site is deactivated. Different status code responses are returned within the site when accessing: 1.) Pages (404) 2.) Documents (302) http responses are inconsistent for a deactivated site. Environment DXP...
Logs rotation based on size
legacy How To
Issue How to implement the log rotation for Liferay logs based on the size Environment Liferay Portal 6.2 Liferay DXP 7.0 Resolution The logs can be rotated based on the size and it can be achieved through...
Upgrading to 7.3+ fails due to a table not complying with the requirements of an external plugin
legacy Troubleshooting
Issue The upgrade process to Liferay DXP 7.3+ failed with the following Caused by: Caused by: java.sql.SQLException: The table does not comply with the requirements by an external plugin. Environment Liferay DXP...
How can a URL be replaced or hidden on every site visit?
legacy Troubleshooting
Issue As a reverse proxy on the web server, whenever a user accesses a URL, the user is sent to the application server's IP address, which is visible on the site URL. Now, how can this URL be replaced by IP or...
Failed upgrade process for Analytics when upgrading to DXP 7.3
legacy Troubleshooting
Issue When upgrading to DXP 7.3, I'm encountering the following error in the upgrade process:  2021-05-12 04:16:12.918 ERROR [main][UpgradeStepRegistratorTracker:144] Failed upgrade process for module...
Session timeout auto extend fails with Google Chrome
legacy Troubleshooting
Issue The user session expires in about 10-15 minutes inactivity, even if session.timeout.auto.extend is set to true, and session.timeout and session.timeout.auto.extend.offset are all configured. The...
"javax.crypto.BadPaddingException" warning in server console.
legacy Troubleshooting
Issue While startup below warnings can be observed in the server console: ERROR [tomcat-http--1][AutoLoginFilter:259] Current URL / generates exception: com.liferay.portal.kernel.exception.SystemException:...